131989340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{134683}}^1$

素因数の和:134706

約数の個数: 36

約数和(自身を含む): 322433496

約数和(自身を除く): 190444156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 134683, 269366, 538732, 673415, 942781, 1346830, 1885562, 2693660, 3771124, 4713905, 6599467, 9427810, 13198934, 18855620, 26397868, 32997335, 65994670, 131989340]

約数ペア:

[(1, 131989340), (2, 65994670), (4, 32997335), (5, 26397868), (7, 18855620), (10, 13198934), (14, 9427810), (20, 6599467), (28, 4713905), (35, 3771124), (49, 2693660), (70, 1885562), (98, 1346830), (140, 942781), (196, 673415), (245, 538732), (490, 269366), (980, 134683)]